CN1734023A - Cutting device and method for producing a cut hole - Google Patents
Cutting device and method for producing a cut hole Download PDFInfo
- Publication number
- CN1734023A CN1734023A CN200510092616.7A CN200510092616A CN1734023A CN 1734023 A CN1734023 A CN 1734023A CN 200510092616 A CN200510092616 A CN 200510092616A CN 1734023 A CN1734023 A CN 1734023A
- Authority
- CN
- China
- Prior art keywords
- support
- digging wheel
- digging
- rotation
- excavating gear
- Prior art date
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/13—Foundation slots or slits; Implements for making these slots or slits
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/18—Dredgers; Soil-shifting machines mechanically-driven with digging wheels turning round an axis, e.g. bucket-type wheels
- E02F3/20—Dredgers; Soil-shifting machines mechanically-driven with digging wheels turning round an axis, e.g. bucket-type wheels with tools that only loosen the material, i.e. mill-type wheels
- E02F3/205—Dredgers; Soil-shifting machines mechanically-driven with digging wheels turning round an axis, e.g. bucket-type wheels with tools that only loosen the material, i.e. mill-type wheels with a pair of digging wheels, e.g. slotting machines
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- General Engineering & Computer Science (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
- Road Repair (AREA)
- Milling Processes (AREA)
- Drilling And Boring (AREA)
Abstract
The apparatus has a support on which are mounted in rotary manner about in each case a cutting wheel rotation axis. Two cutting wheels and a cutting wheel drive mechanism provide the rotary driving of the cutting wheels on the support. A drive mechanism is provided for the rotary driving of the support together with the cutting wheel about a support rotation axis and directed roughly parallel to the sinking direction (T). A pivot device is provided for pivoting movement of the cutting wheels such that it is upwardly pivotable on the support. The support is located on a tube linkage. An independent claim is included for method for obtaining a milled hole.
Description
Technical field
The present invention relates to a kind of excavating gear that is used for digging boring on ground.The invention still further relates to a kind of method that is used for producing boring on ground.
Background technology
Such excavation has support with anchor clamps, and at least two digging wheels that can all rotate around a digging wheel rotation in all situations are installed on it, and at least one the digging wheel driving mechanism that is used for the digging wheel on the rotary driving arm.In a kind of method of existing type, at least two digging wheels that rotatably are installed on the support all rotate around a digging wheel rotation in all situations by the digging wheel driving mechanism, and the support with digging wheel can be sent to along digging direction in ground.
For the boring that generation has rectangle boring cross section, for example European patent EP 635199Bl discloses a kind of furrow bank excavator.This furrow bank excavator has two biasing digging wheels that can rotate in opposite direction on parallel horizontal axis right.Soil is stripped from the digging wheel place, and is transported in two gaps between the wheel, upwards transports from here by aspirator again.
Cicada is used for producing on ground the mining head and the method for the boring with circular bore cross section from European patent EP 819819B1.Known mining head has four digging wheels being arranged to center on public digging wheel axis rotation from European patent EP 819819B1, and this digging wheel axis is dug direction orientation radially with respect to mining head.For the cross-sectional configuration of circular mining head, in the middle of mining head, the diameter of digging wheel axially narrows down along public digging wheel axis.
Summary of the invention
The purpose of this invention is to provide a kind of excavating gear and method that is used for producing boring, can in multifarious soil geology, produce boring in general and economic especially mode whereby on ground.
According to the present invention, excavating gear that this purpose can be by having following characteristics and the method that is used for producing boring on ground with following characteristics realize.Give preferred embodiment in the following description.
Excavating gear according to the present invention is characterised in that, is provided with the driving mechanism that is used for coming around the support rotation rotary driving arm and digging wheel, and its medium-height trestle rotation is roughly parallel to digs direction and orientation.
First basic thought of the present invention is a driving mechanism, and it can make support rotate with at least two digging wheels.Just can change the relative position of digging wheel by this driving mechanism with respect to ground.Particularly, rotate around the support rotation with digging wheel by making support, just can produce the boring with circular bore cross section, digging wheel needn't have circular cross section, the diameter that promptly narrows down simultaneously.Therefore, send to, can select particularly suitable digging wheel shape, the digging wheel cross section of essentially rectangular for example can be provided in order to obtain to excavate preferably.
This excavating gear can be designed to have only roughly whole circumference of 1/4th of digging wheel to engage with the soil material of appearing especially in all situations when making the support rotation by driving mechanism.Therefore, can be called the excavating gear of part digging type according to excavating gear of the present invention, wherein the maximum size of digging wheel is less than the cross section of boring.With digging wheel circumference wherein roughly half or more the excavating gear of the full digging type of multiaction on the soil of appearing form contrast be, in situation according to digging wheel of the present invention, exist littler contact surface with the soil of appearing, therefore, for will obtaining for the contact pressure of identical digging wheel, need corresponding lower contact force be arranged digging on the direction at foot of hole.This just makes can produce boring by lower relatively superposition load, therefore, and can be especially easily and operate excavating gear of the present invention economically.Employing is according to excavating gear of the present invention, and contact pressure can keep constant basically, especially when changing bore diameter and/or digging wheel diameter.
Excavating gear according to the present invention is particularly suitable for producing ground substrate, especially stake in ground, so it is also referred to as the piling excavator.Excavating gear of the present invention preferably can be attached to the ground substrate in the chisley soil earth.
Cutting direction on the meaning of the present invention particularly is the feeding direction that has the support of digging wheel when digging boring, boring promptly to be produced vertically.According to the present invention, the support rotation extends along described cutting direction, and has formed the longitudinal axis of boring.Because digging wheel and/or digging wheel rotation are symmetrical with respect to the support rotation, therefore can obtain to be particularly suitable for being absorbed in the excavating gear of the power that is produced during the dredge operation.About the absorption of active force, the angle between digging wheel rotation and the support rotation is that about 90 degree also are favourable.Yet, the little of 0 angle of spending of other also can be set.The digging wheel rotation can intersect with the support rotation basically, especially radially intersects.Yet the digging wheel rotation also can be positioned to have certain skew or displacement with respect to the support rotation, so especially can obtain bigger bore diameter.
Be provided with the pivoted device in preferred further an improvement of the excavating gear according to the present invention, at least one digging wheel can center on its pivoted, and pivoted especially makes progress on support.Pivoted can be understood particularly and is that the digging wheel rotation of this at least one digging wheel and the angle between the support rotation change.By the pivoted of this at least one digging wheel, can change the outer application point of described digging wheel on the soil of appearing for support and/or support rotation, therefore instantaneous digging radius is also changing.Specifically, the mode pivoted that this at least one digging wheel can be relevant with the degree of depth, the result just can obtain the boring that diameter changes with the degree of depth.For example, the result just can produce the boring of widening at the foot of hole place, so that form pile foundation.As selection,, just can produce the especially seal of bottom parts (sole element) by in a planned way widening the bottom side of boring.The result who is provided with as the pivotable of at least one digging wheel has in the compactly designed especially situation with anchor clamps excavating, and can cover king-sized working region.The pivoted device preferably has supporting arrangement, and at least one digging wheel can pivotally be installed around horizontal axis by this supporting arrangement.The pivoted device can suitably additionally have the pivoted drive unit, and it especially has at least one hydraulic pressure pivoted cylinder, to be used to drive at least one digging wheel pivoted.In order on support, to obtain the symmetrical distribution of active force, and then the firm especially excavating gear of acquisition, the digging wheel of two pivotable preferably is set on support, they can be suitably pivoted synchronously, and preferably around public horizontal pivot pivot center and pivoted.Upwards pivoted can be understood particularly for this at least one digging wheel and rises with respect to foot of hole during pivoted.
Especially suitable further improved being characterised in that of excavating gear of the present invention, support is positioned the end of tubulose connecting rod.Can especially extending to this tubulose connecting rod on the construction machinery that is positioned at outside the boring, to can be used to transmit superposition load power be that pressure is to the support that has digging wheel.Yet, for example can be suspended on the supporting cable wire excavating with anchor clamps.Because support rotates with respect to the tubulose connecting rod gudgeon by the pivoted drive unit, therefore can obtain widely available especially excavating gear.
Since at the guide that is provided with guide ring especially on the support and/or on the tubulose connecting rod to be used for support or tubulose link supports therefore can creatively effectively reducing its any deflection in the operating period of excavating gear at drill hole wall.Also optionally in the mode of superposition some guide structures are set on support and/or tubulose connecting rod, it can channeling conduct in some planes.This guide can suitably have guide shoe, and they are provided for contacting with the wall of holing, and are connected on support and/or the tubulose connecting rod by the pillar that radially extends with respect to the support rotation.Preferably guide shoe is configured to the form of guide ring, its mode that can also interrupt is constructed.If produce boring by introducing support column, the purpose of guide to be used for supporting on described support column also can be set.
More particularly, if excavating gear is configured for producing the boring with adjustable bore diameter, so preferably construct guide in the adjustable mode of diameter.For this reason, for example can provide adjusting device, just can change the length of the residing pillar of guide shoe by it.If be provided with guide ring, it can have the structure of segmentation to be used for the diameter adjustment purpose so.
Be used for the tubulose connecting rod is fixed to clamping device in the support column owing to be provided with, and the tubulose connecting rod can axially stretch out with driving arm, therefore just can realize excavating gear according to the present invention guiding especially accurately when digging boring.So just the tubulose connecting rod can be remained especially and lack, and then reduce the deflection of excavating gear effectively.Hydraulic cylinder can suitably be set to be used to make tubulose connecting rod axial elongation.In the preferred embodiment, pressure is applied by pressure cylinder at least in part.Yet the weight of excavating gear itself may be with regard to the enough contact pressures of sufficient to guarantee.
According to the present invention, particularly preferably be, driving mechanism and/or is in the upper area of tubulose connecting rod between tubulose connecting rod and support.If driving mechanism is arranged in upper area, it can be preferably placed at outside the boring, especially is positioned on the construction machinery.This driving mechanism and/or digging wheel driving mechanism preferably have hydraulic motor.This driving mechanism and digging wheel mechanism also can be constructed with public motor.The digging wheel driving mechanism for example can be located on the support, but also can be located at the upper area of tubulose connecting rod.
Especially preferred improved being characterised in that of excavating gear of the present invention, the digging wheel rotation of at least one digging wheel has the certain deviation with respect to the support rotation, especially is provided with the digging wheel skew drive unit that is used to regulate this skew.Have the result who is offset as at least one digging wheel, it radially outward moves with respect to the support rotation the application point of the soil material of appearing, and therefore, excavates the cross section and increase for identical digging wheel diameter.Especially preferred from the viewpoint of active force symmetry is that two digging wheels are positioned to have identical skew or displacement with respect to the support rotation.The digging wheel rotation preferably is positioned the place ahead with respect to the support rotation on the support direction of rotation.Digging wheel skew drive unit makes can regulate this skew, especially during the cutting of excavating gear, so that allow to produce the boring with variable-diameter.Digging wheel skew drive unit is preferably configured as the synchronous and adjusting uniformly of the skew that can be used for all digging wheel rotations.
Because it is right that digging wheel is configured to be the digging wheel with two independent digging wheels in all situations, and the right independent digging wheel of digging wheel all is installed in all situations on the frame support bracket that pivotally is installed on the support, therefore just can creatively obtain to have the excavating gear that good especially excavation is sent to.Because two right independent digging wheels of each digging wheel all have identical rotation in all situations, therefore can obtain the simple especially excavating gear of structure.Each digging wheel is to preferably having its digging wheel CD-ROM drive motor, and it especially can be located on the public frame support bracket.For all frame support brackets, especially preferably they are pivotally installed around public horizontal pivotal axis.
Because on the circumference of digging wheel and/or the front end place be provided with excavating tools, therefore also can creatively obtain good especially excavation to send to.Excavating tools for example can be configured to tooth or pick roller.If digging wheel pivotally is positioned on the support, the front end setting of excavating tools is especially preferred so, and this is that digging wheel can carry out front end type with the soil material of appearing and engage because during the pivoted and during the cutting at excavating gear.Digging wheel is subcylindrical at least preferably, preferably has conical transitional region between circumferential surface that also is known as cylinder sleeve and front surface.Digging wheel suitably rotates along identical or opposite direction, so that the soil material that will dig down is fed to the pump orifice place of the pump that is positioned on the support.Digging wheel digging wheel especially separately preferably is located on the support interchangeablely.Therefore, for example can replace these digging wheels, and then change bore diameter by digging wheel with different-diameter.If run into different soil geology or surface geology during excavating, also available digging wheel with different excavating toolss is replaced these digging wheels.Therefore, just can produce and have especially bigger diameter and be attached to boring in the rock by replacing digging wheel.
The method according to this invention is characterised in that, can support synchronously be rotated around the support rotation with digging wheel by driving mechanism, and this support rotation is roughly parallel to digs direction and orientation.When implementing the method according to this invention, can especially use according to excavating gear of the present invention, so just can obtain the advantage of introducing at excavating gear.
Basically, can creatively make support rotation and keep direction of rotation simultaneously consistently around the support rotation.Yet preferably the mode that can replace changes the direction of rotation of support around the support rotation.So for producing especially fast of boring, in all situations, after the anglec of rotation that has covered about 180 degree, it is favourable changing rotation.
Particularly preferred improved being characterised in that of the inventive method, at least one digging wheel can be on support as support around the function of the anglec of rotation of support rotation and pivoted, especially upwards pivoted.By the pivoted of at least one digging wheel, can change the digging radius of digging wheel instantaneously, thereby can the mode relevant change bore diameter with drilling depth.This just for example may be created in the stake hole of the band undercutting that the bottom section place especially is broadened.The pivoted relevant with the anglec of rotation of digging wheel also makes it can produce the boring with circular bore cross section different with standard circular.Especially can produce boring and foundation pile with elliptic cross-section, in the situation with bigger stake diameter and corresponding ground plan shape, they can bring the saving of material.If two digging wheels can be synchronously and pivoted symmetrically, this will be especially favourable.The synchronous pivoted of two digging wheels also can be called expansion (spreading).The controllability that driving mechanism can provide digging wheel to center on vertical axis, and the pivoted device can provide the adjusting possibility around horizontal axis.Regulate possibility for these two kinds by superposition, just mode changes the boring cross section especially widely.
Description of drawings
More specifically introduce the present invention below with reference to preferred embodiment and schematic figures, in the drawings:
Fig. 1 is the partial side view in cross section according to excavating gear of the present invention.
Fig. 2 is the elevation of excavating gear shown in Figure 1, has wherein shown digging wheel in the pivoted state not of being in solid line, has shown digging wheel in the pivoted state upwards of being in dotted line.
Fig. 3 has the not phantom drawing of the excavating gear shown in Figure 1 of pivotally supported digging wheel.
Fig. 4 is the phantom drawing that has the excavating gear shown in Figure 1 of the pivotally supported digging wheel that makes progress.
Fig. 5 is the plan view of excavating gear shown in Figure 1, has wherein shown digging wheel in the pivoted state not of being in solid line, has shown digging wheel in the pivoted state upwards of being in dotted line.
Fig. 6 is the plan view of the digging wheel that rotates of the horizontal pivot among second embodiment of excavating gear of the present invention.
Fig. 7 is the A-A sectional view of digging wheel shown in Figure 6.
Fig. 8 is the phantom drawing of digging wheel shown in Figure 6.
The specific embodiment
Fig. 1 to 5 has shown according to excavating gear of the present invention.Excavating gear has the support 20 that is configured to framework, in its bottom two digging wheels 1,2 is installed, so that can be around 51,52 rotations of digging wheel rotation.It is right that digging wheel 1,2 is configured to digging wheel, and digging wheel 1 has two independent digging wheels 11,11 ', and digging wheel 2 has two independent digging wheels 12,12 '.Independent digging wheel 11,11 ' is installed in the both sides of frame support bracket 21, and independent digging wheel 12,12 ' is installed in the both sides of another frame support bracket 22.For rotary driving excavating gear 1,2, the digging wheel driving mechanism is provided, it has two hydraulic rotating motors 71,72 on the top side that is positioned frame support bracket 21,22 respectively.In addition, on support 20, be provided with the driver element that is configured to as pump machanism 75.
Support rotation 56 medially extends along digging direction T in tubulose connecting rod 8.It has formed the longitudinal axis of the boring with the circular cross-section that produces during the rotation of support 20. Digging wheel 1,2 is located symmetrically with respect to support rotation 56.In the not pivotally supported state of digging wheel 1,2, their digging wheel rotation 51 and 52 is parallel to each other, and forms about 90 angles of spending with support rotation 56.Have its digging wheel rotation 51,52 digging wheel 1,2 before being positioned at support rotation 56 on the direction of rotation D, make digging wheel rotation 51 have skew X1 with respect to support rotation 56, and digging wheel rotation 52 and support rotation 56 spaced apart skew X2 wherein are offset X1 and equate with skew X2.This especially in Fig. 1 and 5 as can be seen.
Excavate the cross section in order to increase, the digging wheel 1,2 on the support 20 is pivotally installed around public horizontal pivot axis 60.For this reason, frame support bracket 21,22 is hinged on the support 20 by horizontal L shaped lever arm 65.In order to drive digging wheel 1,2 pivoted, the device of the pivoted with two hydraulic cylinders 61,62 is provided, these two hydraulic cylinders 61,62 at one end are hinged on the support 20, are hinged to respectively on the frame support bracket 21,22 at the other end.By compressing described hydraulic cylinder 61,62, lever arm 65 and frame support bracket 21,22 and each digging wheel 11,11 ', 12,12 ' will be around common axis 60 pivoted upwards.In the pivotally supported state of this that is represented by dotted lines in Fig. 4,2 and 5, digging wheel rotation 51 ', 52 ' has formed the angle that is different from 90 degree with support rotation 56.Basically the pivoted that the stepless formula of digging wheel 1,2 takes place especially can be carried out continuously, till digging wheel rotation 51 ', 52 ' is parallel to support rotation 56.
For guide support in boring 20, on described support 20, be provided with guide ring 31, it has adopted four pillars 32 that radially extend with respect to support rotation 56.Can be by support 20 being supported on the drill hole wall with the coaxial described guide ring of support rotation 56 31.
Fig. 6 to 8 has shown the excavation image that obtains at the place, bottom of boring when using the excavating gear with the pivotally supported digging wheel 1,2 that partly makes progress according to the present invention to dig.Between two digging wheels 1,2, be formed with the conical teat 80 that is positioned at foot of hole.This taper shape teat 80 can little by little be dug up by the front end of inboard that digging wheel 11 ', 12 '.
Claims (13)
1. one kind is used for digging the excavating gear of holing on ground, has:
-support, thereon with can be in all situations around the mode of digging wheel rotation rotation be equipped with at least two digging wheels of excavation and
-be used at least one digging wheel driving mechanism of the digging wheel on the described support of rotary driving, wherein,
-being provided with the driving mechanism that is used for around support rotation described support of rotary together driving and digging wheel, described support rotation is roughly parallel to digs direction (T) and orientation.
2. excavating gear according to claim 1 is characterized in that, is provided with to make at least one described digging wheel pivotally supported pivoted device that rotates, especially makes progress at described support head lamp brush guard pivot.
3. excavating gear according to claim 1 is characterized in that described support is positioned at the end of tubulose connecting rod.
4. excavating gear according to claim 1 is characterized in that, is provided with the especially guide of guide ring on described support and/or tubulose connecting rod, to be used for that described support or tubulose connecting rod are supported on drill hole wall separately.
5. excavating gear according to claim 4 is characterized in that, described guide is constructed in the adjustable mode of diameter.
6. excavating gear according to claim 1 is characterized in that, is provided with to be used for described tubulose connecting rod is fixed to tensioning apparatus in the support column, and described tubulose connecting rod can axially stretch out to be used to drive described support.
7. excavating gear according to claim 3 is characterized in that, described driving mechanism and/or is in the upper area of described tubulose connecting rod between described tubulose connecting rod and support.
8. excavating gear according to claim 1, it is characterized in that, the digging wheel rotation of described at least one digging wheel has certain skew with respect to described support rotation, and especially is provided with the digging wheel skew drive unit that is used to regulate described skew.
9. excavating gear according to claim 1, it is characterized in that, described digging wheel is configured to all to have the digging wheel of two independent digging wheels in all situations right, and the independent digging wheel of described digging wheel centering all is installed on the frame support bracket that pivotally is installed on the described support in all situations.
10. excavating gear according to claim 1 is characterized in that, on the circumference of described digging wheel and/or the front end place be provided with excavating tools.
11. one kind is especially adopted excavating gear according to claim 1 to be used for producing on ground the method for boring, wherein:
-rotatably be installed on the support at least two digging wheels can by the digging wheel driving mechanism in all situations around digging wheel rotation rotation and
-described the support that has a digging wheel is sent in ground along digging direction (T),
Wherein, described support synchronously rotates around the support rotation by driving mechanism with digging wheel, and described support rotation is roughly parallel to described cutting direction (T) and orientation.
12. method according to claim 11 is characterized in that, described support is alternately to change around the direction of rotation of support rotation.
13. method according to claim 11 is characterized in that, described at least one digging wheel can be used as described support and rotates at described support head lamp brush guard pivot around the function of the anglec of rotation of support rotation, especially upwards pivoted.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP04018932.6 | 2004-08-10 | ||
| EP04018932A EP1626127B1 (en) | 2004-08-10 | 2004-08-10 | Milling apparatus and method for obtaining a milled hole |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1734023A true CN1734023A (en) | 2006-02-15 |
| CN1734023B CN1734023B (en) | 2010-05-05 |
Family
ID=34926116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200510092616.7A Expired - Fee Related CN1734023B (en) | 2004-08-10 | 2005-08-10 | Cutting device and method for producing a cut hole |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US7363990B2 (en) |
| EP (1) | EP1626127B1 (en) |
| JP (1) | JP4336334B2 (en) |
| CN (1) | CN1734023B (en) |
| CA (1) | CA2512756C (en) |
| DE (1) | DE502004005270D1 (en) |
| RU (1) | RU2307226C2 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2364079B (en) * | 2000-06-28 | 2004-11-17 | Renovus Ltd | Drill bits |
| DE502004005279D1 (en) * | 2004-08-23 | 2007-11-29 | Bauer Maschinen Gmbh | Apparatus and method for creating a diaphragm wall in the ground |
| JP2009167613A (en) * | 2008-01-11 | 2009-07-30 | Hiroshi Onodera | Cutting attachment |
| FR2944299B1 (en) | 2009-04-10 | 2016-08-26 | Cie Du Sol | MILLING MACHINE EXCAVATING THE STRAWBERRY TYPE PROVIDED WITH A MOBILE TROLLEY |
| DK177094B1 (en) | 2009-09-15 | 2011-08-22 | Ecomove Aps | A transport means and a vehicle |
| CN103660047B (en) * | 2013-12-20 | 2016-06-22 | 陈立军 | Rock cutter at the bottom of hole |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3391751A (en) * | 1967-06-26 | 1968-07-09 | Michael R. Caro | Drilling apparatus |
| GB2161521B (en) * | 1984-05-29 | 1987-11-25 | Claude Sourice | A process and device for sinking wells |
| FR2605657A1 (en) * | 1986-10-22 | 1988-04-29 | Soletanche | METHOD FOR PRODUCING A PIEU IN SOIL, DRILLING MACHINE AND DEVICE FOR IMPLEMENTING SAID METHOD |
| JP2765401B2 (en) * | 1992-10-05 | 1998-06-18 | 株式会社大林組 | Underground wall excavator for variable section |
| DE29505263U1 (en) | 1995-03-28 | 1995-05-24 | Bauer Spezialtiefbau Gmbh, 86529 Schrobenhausen | Trench cutter |
| US5735359A (en) * | 1996-06-10 | 1998-04-07 | Weatherford/Lamb, Inc. | Wellbore cutting tool |
| CA2210442C (en) | 1996-07-16 | 2004-05-04 | Bauer Spezialtiefbau Gmbh | A cutter head, boring jig and device and process for sea bottom boring |
| GB2316964B (en) * | 1996-09-04 | 2000-06-07 | Bulroc | Drill means |
| CN2477707Y (en) * | 2001-05-11 | 2002-02-20 | 河北省建筑勘察研究院 | Base enlarging appts. for club-footed pile for fundation construction |
| CN1281844C (en) * | 2003-09-19 | 2006-10-25 | 郭明洙 | Drilling and reaming machine |
-
2004
- 2004-08-10 DE DE502004005270T patent/DE502004005270D1/en not_active Expired - Lifetime
- 2004-08-10 EP EP04018932A patent/EP1626127B1/en not_active Expired - Lifetime
-
2005
- 2005-07-21 CA CA002512756A patent/CA2512756C/en not_active Expired - Fee Related
- 2005-07-27 US US11/189,815 patent/US7363990B2/en not_active Expired - Fee Related
- 2005-08-04 RU RU2005124849/03A patent/RU2307226C2/en not_active IP Right Cessation
- 2005-08-08 JP JP2005229892A patent/JP4336334B2/en not_active Expired - Fee Related
- 2005-08-10 CN CN200510092616.7A patent/CN1734023B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| US7363990B2 (en) | 2008-04-29 |
| US20060032671A1 (en) | 2006-02-16 |
| CA2512756C (en) | 2008-07-08 |
| JP4336334B2 (en) | 2009-09-30 |
| EP1626127A1 (en) | 2006-02-15 |
| RU2307226C2 (en) | 2007-09-27 |
| CA2512756A1 (en) | 2006-02-10 |
| RU2005124849A (en) | 2007-02-10 |
| EP1626127B1 (en) | 2007-10-17 |
| DE502004005270D1 (en) | 2007-11-29 |
| CN1734023B (en) | 2010-05-05 |
| JP2006052636A (en) | 2006-02-23 |
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